208457640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18679}}^1$

素因数の和:18727

約数の個数: 96

約数和(自身を含む): 699379200

約数和(自身を除く): 490921560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 18679, 37358, 56037, 74716, 93395, 112074, 149432, 168111, 186790, 224148, 280185, 336222, 373580, 448296, 560370, 579049, 672444, 747160, 840555, 1120740, 1158098, 1344888, 1681110, 1737147, 2241480, 2316196, 2895245, 3362220, 3474294, 4632392, 5211441, 5790490, 6724440, 6948588, 8685735, 10422882, 11580980, 13897176, 17371470, 20845764, 23161960, 26057205, 34742940, 41691528, 52114410, 69485880, 104228820, 208457640]

約数ペア:

[(1, 208457640), (2, 104228820), (3, 69485880), (4, 52114410), (5, 41691528), (6, 34742940), (8, 26057205), (9, 23161960), (10, 20845764), (12, 17371470), (15, 13897176), (18, 11580980), (20, 10422882), (24, 8685735), (30, 6948588), (31, 6724440), (36, 5790490), (40, 5211441), (45, 4632392), (60, 3474294), (62, 3362220), (72, 2895245), (90, 2316196), (93, 2241480), (120, 1737147), (124, 1681110), (155, 1344888), (180, 1158098), (186, 1120740), (248, 840555), (279, 747160), (310, 672444), (360, 579049), (372, 560370), (465, 448296), (558, 373580), (620, 336222), (744, 280185), (930, 224148), (1116, 186790), (1240, 168111), (1395, 149432), (1860, 112074), (2232, 93395), (2790, 74716), (3720, 56037), (5580, 37358), (11160, 18679)]